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If you want to dive deeper, here's way more than you ever wanted to know about windsocks: https://www.faa.gov/documentLibrary/media/Advisory_Circular/150_5345_
by chrischattin 6y ago
If you want to dive deeper, here's way more than you ever wanted to know about windsocks:
https://www.faa.gov/documentLibrary/media/Advisory_Circular/150_5345_27e.pdf https://www.faa.gov/documentLibrary/media/Advisory_Circular/...